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seen Dec 11 at 17:12

Dec
11
awarded  Caucus
Oct
17
awarded  Popular Question
Aug
24
awarded  Yearling
Apr
29
awarded  Nice Answer
Jan
25
awarded  Good Question
Aug
24
awarded  Yearling
Apr
23
awarded  Notable Question
Oct
30
answered Solving a division with imaginary numbers
Oct
24
comment When does a higher order polynomial have complex roots?
I think mac389 is asking about non-real roots (all real numbers being complex numbers too).
Oct
17
revised continuously differential parametrization of a tricky surface
added 277 characters in body
Oct
17
answered continuously differential parametrization of a tricky surface
Oct
16
comment Positive and Negative Real numbers
yes, but only when x is positive
Oct
16
answered Positive and Negative Real numbers
Sep
10
awarded  Nice Question
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4
awarded  Enlightened
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4
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awarded  Yearling
May
7
awarded  Nice Answer
May
4
revised How Can One Prove $\cos(\pi/7) + \cos(3 \pi/7) + \cos(5 \pi/7) = 1/2$
added 595 characters in body
May
3
answered How Can One Prove $\cos(\pi/7) + \cos(3 \pi/7) + \cos(5 \pi/7) = 1/2$